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csfcbiology
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1.1 Biological Compounds
1.2 Cell Structure and Organisation
1.3 Cell Membranes and Transport
1.4 Enzymes
1.5 Nucleic Acids & Their Functions
1.6 Genetic Information is Copied & Passed on to Daughter Cells
2.1 Biodiversity and Evolution
2.2 Gas Exchange
2.3 Animal Transport
2.3 Plant Transport
2.4 Adaptations for Nutrition
May be of Interest
Old syllabus 2.4
Past Papers BY1 (new spec)
Past Papers BY1(old spec)
Past Papers BY2 (new spec)
Past Papers BY2 (Old Spec)
Science in Public Health - Lecture Series
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2.2 Gas Exchange
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Worksheets
2.2 Page 1
2.2 Page 2
2.2 Page 3
Past Paper Questions
WJEC Questions
WJEC Answers
Power Points
Gas Exchange PPT
WJEC ppt on Oxygen Dissociation
WJEC PPT on Transport of Gases
Animations
Endoscopy of the lungs
Gas Exchange System of a Locust - tracheal system
Gas Exchange in Bony Fish
Gas Exchange in Birds
Gas Exchange in Mammals
Transport of Oxygen into the Lungs
Anatomy of the Respiratory Tract in Humans
Gaseous Exchange in Fish swf
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2.2 Page 1
2.2 Page 2
2.2 Page 3
Past Paper Questions
WJEC Questions
WJEC Answers
Power Points
Gas Exchange PPT
WJEC ppt on Oxygen Dissociation
WJEC PPT on Transport of Gases
Animations
Endoscopy of the lungs
Gas Exchange System of a Locust - tracheal system
Gas Exchange in Bony Fish
Gas Exchange in Birds
Gas Exchange in Mammals
Transport of Oxygen into the Lungs
Anatomy of the Respiratory Tract in Humans
Gaseous Exchange in Fish swf